mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 19:00:25 +00:00
![Michael S. Tsirkin](/assets/img/avatar_default.png)
This allows incrementing the correct timeout statistic without any mess. Down the road, devices can learn to reset just the specific queue. The patch was generated with the following script: use strict; use warnings; our $^I = '.bak'; my @work = ( ["arch/m68k/emu/nfeth.c", "nfeth_tx_timeout"], ["arch/um/drivers/net_kern.c", "uml_net_tx_timeout"], ["arch/um/drivers/vector_kern.c", "vector_net_tx_timeout"], ["arch/xtensa/platforms/iss/network.c", "iss_net_tx_timeout"], ["drivers/char/pcmcia/synclink_cs.c", "hdlcdev_tx_timeout"], ["drivers/infiniband/ulp/ipoib/ipoib_main.c", "ipoib_timeout"], ["drivers/infiniband/ulp/ipoib/ipoib_main.c", "ipoib_timeout"], ["drivers/message/fusion/mptlan.c", "mpt_lan_tx_timeout"], ["drivers/misc/sgi-xp/xpnet.c", "xpnet_dev_tx_timeout"], ["drivers/net/appletalk/cops.c", "cops_timeout"], ["drivers/net/arcnet/arcdevice.h", "arcnet_timeout"], ["drivers/net/arcnet/arcnet.c", "arcnet_timeout"], ["drivers/net/arcnet/com20020.c", "arcnet_timeout"], ["drivers/net/ethernet/3com/3c509.c", "el3_tx_timeout"], ["drivers/net/ethernet/3com/3c515.c", "corkscrew_timeout"], ["drivers/net/ethernet/3com/3c574_cs.c", "el3_tx_timeout"], ["drivers/net/ethernet/3com/3c589_cs.c", "el3_tx_timeout"], ["drivers/net/ethernet/3com/3c59x.c", "vortex_tx_timeout"], ["drivers/net/ethernet/3com/3c59x.c", "vortex_tx_timeout"], ["drivers/net/ethernet/3com/typhoon.c", "typhoon_tx_timeout"], ["drivers/net/ethernet/8390/8390.h", "ei_tx_timeout"], ["drivers/net/ethernet/8390/8390.h", "eip_tx_timeout"], ["drivers/net/ethernet/8390/8390.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/8390p.c", "eip_tx_timeout"], ["drivers/net/ethernet/8390/ax88796.c", "ax_ei_tx_timeout"], ["drivers/net/ethernet/8390/axnet_cs.c", "axnet_tx_timeout"], ["drivers/net/ethernet/8390/etherh.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/hydra.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/mac8390.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/mcf8390.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/lib8390.c", "__ei_tx_timeout"], ["drivers/net/ethernet/8390/ne2k-pci.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/pcnet_cs.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/smc-ultra.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/wd.c", "ei_tx_timeout"], ["drivers/net/ethernet/8390/zorro8390.c", "__ei_tx_timeout"], ["drivers/net/ethernet/adaptec/starfire.c", "tx_timeout"], ["drivers/net/ethernet/agere/et131x.c", "et131x_tx_timeout"], ["drivers/net/ethernet/allwinner/sun4i-emac.c", "emac_timeout"], ["drivers/net/ethernet/alteon/acenic.c", "ace_watchdog"], ["drivers/net/ethernet/amazon/ena/ena_netdev.c", "ena_tx_timeout"], ["drivers/net/ethernet/amd/7990.h", "lance_tx_timeout"], ["drivers/net/ethernet/amd/7990.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/a2065.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/am79c961a.c", "am79c961_timeout"], ["drivers/net/ethernet/amd/amd8111e.c", "amd8111e_tx_timeout"], ["drivers/net/ethernet/amd/ariadne.c", "ariadne_tx_timeout"], ["drivers/net/ethernet/amd/atarilance.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/au1000_eth.c", "au1000_tx_timeout"], ["drivers/net/ethernet/amd/declance.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/lance.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/mvme147.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/ni65.c", "ni65_timeout"], ["drivers/net/ethernet/amd/nmclan_cs.c", "mace_tx_timeout"], ["drivers/net/ethernet/amd/pcnet32.c", "pcnet32_tx_timeout"], ["drivers/net/ethernet/amd/sunlance.c", "lance_tx_timeout"], ["drivers/net/ethernet/amd/xgbe/xgbe-drv.c", "xgbe_tx_timeout"], ["drivers/net/ethernet/apm/xgene-v2/main.c", "xge_timeout"], ["drivers/net/ethernet/apm/xgene/xgene_enet_main.c", "xgene_enet_timeout"], ["drivers/net/ethernet/apple/macmace.c", "mace_tx_timeout"], ["drivers/net/ethernet/atheros/ag71xx.c", "ag71xx_tx_timeout"], ["drivers/net/ethernet/atheros/alx/main.c", "alx_tx_timeout"], ["drivers/net/ethernet/atheros/atl1c/atl1c_main.c", "atl1c_tx_timeout"], ["drivers/net/ethernet/atheros/atl1e/atl1e_main.c", "atl1e_tx_timeout"], ["drivers/net/ethernet/atheros/atlx/atl.c", "atlx_tx_timeout"], ["drivers/net/ethernet/atheros/atlx/atl1.c", "atlx_tx_timeout"], ["drivers/net/ethernet/atheros/atlx/atl2.c", "atl2_tx_timeout"], ["drivers/net/ethernet/broadcom/b44.c", "b44_tx_timeout"], ["drivers/net/ethernet/broadcom/bcmsysport.c", "bcm_sysport_tx_timeout"], ["drivers/net/ethernet/broadcom/bnx2.c", "bnx2_tx_timeout"], ["drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h", "bnx2x_tx_timeout"], ["drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c", "bnx2x_tx_timeout"], ["drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c", "bnx2x_tx_timeout"], ["drivers/net/ethernet/broadcom/bnxt/bnxt.c", "bnxt_tx_timeout"], ["drivers/net/ethernet/broadcom/genet/bcmgenet.c", "bcmgenet_timeout"], ["drivers/net/ethernet/broadcom/sb1250-mac.c", "sbmac_tx_timeout"], ["drivers/net/ethernet/broadcom/tg3.c", "tg3_tx_timeout"], ["drivers/net/ethernet/calxeda/xgmac.c", "xgmac_tx_timeout"], ["drivers/net/ethernet/cavium/liquidio/lio_main.c", "liquidio_tx_timeout"], ["drivers/net/ethernet/cavium/liquidio/lio_vf_main.c", "liquidio_tx_timeout"], ["drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c", "lio_vf_rep_tx_timeout"], ["drivers/net/ethernet/cavium/thunder/nicvf_main.c", "nicvf_tx_timeout"], ["drivers/net/ethernet/cirrus/cs89x0.c", "net_timeout"], ["drivers/net/ethernet/cisco/enic/enic_main.c", "enic_tx_timeout"], ["drivers/net/ethernet/cisco/enic/enic_main.c", "enic_tx_timeout"], ["drivers/net/ethernet/cortina/gemini.c", "gmac_tx_timeout"], ["drivers/net/ethernet/davicom/dm9000.c", "dm9000_timeout"], ["drivers/net/ethernet/dec/tulip/de2104x.c", "de_tx_timeout"], ["drivers/net/ethernet/dec/tulip/tulip_core.c", "tulip_tx_timeout"], ["drivers/net/ethernet/dec/tulip/winbond-840.c", "tx_timeout"], ["drivers/net/ethernet/dlink/dl2k.c", "rio_tx_timeout"], ["drivers/net/ethernet/dlink/sundance.c", "tx_timeout"], ["drivers/net/ethernet/emulex/benet/be_main.c", "be_tx_timeout"], ["drivers/net/ethernet/ethoc.c", "ethoc_tx_timeout"], ["drivers/net/ethernet/faraday/ftgmac100.c", "ftgmac100_tx_timeout"], ["drivers/net/ethernet/fealnx.c", "fealnx_tx_timeout"], ["drivers/net/ethernet/freescale/dpaa/dpaa_eth.c", "dpaa_tx_timeout"], ["drivers/net/ethernet/freescale/fec_main.c", "fec_timeout"], ["drivers/net/ethernet/freescale/fec_mpc52xx.c", "mpc52xx_fec_tx_timeout"], ["drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c", "fs_timeout"], ["drivers/net/ethernet/freescale/gianfar.c", "gfar_timeout"], ["drivers/net/ethernet/freescale/ucc_geth.c", "ucc_geth_timeout"], ["drivers/net/ethernet/fujitsu/fmvj18x_cs.c", "fjn_tx_timeout"], ["drivers/net/ethernet/google/gve/gve_main.c", "gve_tx_timeout"], ["drivers/net/ethernet/hisilicon/hip04_eth.c", "hip04_timeout"], ["drivers/net/ethernet/hisilicon/hix5hd2_gmac.c", "hix5hd2_net_timeout"], ["drivers/net/ethernet/hisilicon/hns/hns_enet.c", "hns_nic_net_timeout"], ["drivers/net/ethernet/hisilicon/hns3/hns3_enet.c", "hns3_nic_net_timeout"], ["drivers/net/ethernet/huawei/hinic/hinic_main.c", "hinic_tx_timeout"], ["drivers/net/ethernet/i825xx/82596.c", "i596_tx_timeout"], ["drivers/net/ethernet/i825xx/ether1.c", "ether1_timeout"], ["drivers/net/ethernet/i825xx/lib82596.c", "i596_tx_timeout"], ["drivers/net/ethernet/i825xx/sun3_82586.c", "sun3_82586_timeout"], ["drivers/net/ethernet/ibm/ehea/ehea_main.c", "ehea_tx_watchdog"], ["drivers/net/ethernet/ibm/emac/core.c", "emac_tx_timeout"], ["drivers/net/ethernet/ibm/emac/core.c", "emac_tx_timeout"], ["drivers/net/ethernet/ibm/ibmvnic.c", "ibmvnic_tx_timeout"], ["drivers/net/ethernet/intel/e100.c", "e100_tx_timeout"], ["drivers/net/ethernet/intel/e1000/e1000_main.c", "e1000_tx_timeout"], ["drivers/net/ethernet/intel/e1000e/netdev.c", "e1000_tx_timeout"], ["drivers/net/ethernet/intel/fm10k/fm10k_netdev.c", "fm10k_tx_timeout"], ["drivers/net/ethernet/intel/i40e/i40e_main.c", "i40e_tx_timeout"], ["drivers/net/ethernet/intel/iavf/iavf_main.c", "iavf_tx_timeout"], ["drivers/net/ethernet/intel/ice/ice_main.c", "ice_tx_timeout"], ["drivers/net/ethernet/intel/ice/ice_main.c", "ice_tx_timeout"], ["drivers/net/ethernet/intel/igb/igb_main.c", "igb_tx_timeout"], ["drivers/net/ethernet/intel/igbvf/netdev.c", "igbvf_tx_timeout"], ["drivers/net/ethernet/intel/ixgb/ixgb_main.c", "ixgb_tx_timeout"], ["drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c", "adapter->netdev->netdev_ops->ndo_tx_timeout(adapter->netdev);"], ["drivers/net/ethernet/intel/ixgbe/ixgbe_main.c", "ixgbe_tx_timeout"], ["drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c", "ixgbevf_tx_timeout"], ["drivers/net/ethernet/jme.c", "jme_tx_timeout"], ["drivers/net/ethernet/korina.c", "korina_tx_timeout"], ["drivers/net/ethernet/lantiq_etop.c", "ltq_etop_tx_timeout"], ["drivers/net/ethernet/marvell/mv643xx_eth.c", "mv643xx_eth_tx_timeout"], ["drivers/net/ethernet/marvell/pxa168_eth.c", "pxa168_eth_tx_timeout"], ["drivers/net/ethernet/marvell/skge.c", "skge_tx_timeout"], ["drivers/net/ethernet/marvell/sky2.c", "sky2_tx_timeout"], ["drivers/net/ethernet/marvell/sky2.c", "sky2_tx_timeout"], ["drivers/net/ethernet/mediatek/mtk_eth_soc.c", "mtk_tx_timeout"], ["drivers/net/ethernet/mellanox/mlx4/en_netdev.c", "mlx4_en_tx_timeout"], ["drivers/net/ethernet/mellanox/mlx4/en_netdev.c", "mlx4_en_tx_timeout"], ["drivers/net/ethernet/mellanox/mlx5/core/en_main.c", "mlx5e_tx_timeout"], ["drivers/net/ethernet/micrel/ks8842.c", "ks8842_tx_timeout"], ["drivers/net/ethernet/micrel/ksz884x.c", "netdev_tx_timeout"], ["drivers/net/ethernet/microchip/enc28j60.c", "enc28j60_tx_timeout"], ["drivers/net/ethernet/microchip/encx24j600.c", "encx24j600_tx_timeout"], ["drivers/net/ethernet/natsemi/sonic.h", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/sonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/jazzsonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/macsonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/natsemi/natsemi.c", "ns_tx_timeout"], ["drivers/net/ethernet/natsemi/ns83820.c", "ns83820_tx_timeout"], ["drivers/net/ethernet/natsemi/xtsonic.c", "sonic_tx_timeout"], ["drivers/net/ethernet/neterion/s2io.h", "s2io_tx_watchdog"], ["drivers/net/ethernet/neterion/s2io.c", "s2io_tx_watchdog"], ["drivers/net/ethernet/neterion/vxge/vxge-main.c", "vxge_tx_watchdog"], ["drivers/net/ethernet/netronome/nfp/nfp_net_common.c", "nfp_net_tx_timeout"], ["drivers/net/ethernet/nvidia/forcedeth.c", "nv_tx_timeout"], ["drivers/net/ethernet/nvidia/forcedeth.c", "nv_tx_timeout"], ["drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c", "pch_gbe_tx_timeout"], ["drivers/net/ethernet/packetengines/hamachi.c", "hamachi_tx_timeout"], ["drivers/net/ethernet/packetengines/yellowfin.c", "yellowfin_tx_timeout"], ["drivers/net/ethernet/pensando/ionic/ionic_lif.c", "ionic_tx_timeout"], ["drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c", "netxen_tx_timeout"], ["drivers/net/ethernet/qlogic/qla3xxx.c", "ql3xxx_tx_timeout"], ["drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c", "qlcnic_tx_timeout"], ["drivers/net/ethernet/qualcomm/emac/emac.c", "emac_tx_timeout"], ["drivers/net/ethernet/qualcomm/qca_spi.c", "qcaspi_netdev_tx_timeout"], ["drivers/net/ethernet/qualcomm/qca_uart.c", "qcauart_netdev_tx_timeout"], ["drivers/net/ethernet/rdc/r6040.c", "r6040_tx_timeout"], ["drivers/net/ethernet/realtek/8139cp.c", "cp_tx_timeout"], ["drivers/net/ethernet/realtek/8139too.c", "rtl8139_tx_timeout"], ["drivers/net/ethernet/realtek/atp.c", "tx_timeout"], ["drivers/net/ethernet/realtek/r8169_main.c", "rtl8169_tx_timeout"], ["drivers/net/ethernet/renesas/ravb_main.c", "ravb_tx_timeout"], ["drivers/net/ethernet/renesas/sh_eth.c", "sh_eth_tx_timeout"], ["drivers/net/ethernet/renesas/sh_eth.c", "sh_eth_tx_timeout"], ["drivers/net/ethernet/samsung/sxgbe/sxgbe_main.c", "sxgbe_tx_timeout"], ["drivers/net/ethernet/seeq/ether3.c", "ether3_timeout"], ["drivers/net/ethernet/seeq/sgiseeq.c", "timeout"], ["drivers/net/ethernet/sfc/efx.c", "efx_watchdog"], ["drivers/net/ethernet/sfc/falcon/efx.c", "ef4_watchdog"], ["drivers/net/ethernet/sgi/ioc3-eth.c", "ioc3_timeout"], ["drivers/net/ethernet/sgi/meth.c", "meth_tx_timeout"], ["drivers/net/ethernet/silan/sc92031.c", "sc92031_tx_timeout"], ["drivers/net/ethernet/sis/sis190.c", "sis190_tx_timeout"], ["drivers/net/ethernet/sis/sis900.c", "sis900_tx_timeout"], ["drivers/net/ethernet/smsc/epic100.c", "epic_tx_timeout"], ["drivers/net/ethernet/smsc/smc911x.c", "smc911x_timeout"], ["drivers/net/ethernet/smsc/smc9194.c", "smc_timeout"], ["drivers/net/ethernet/smsc/smc91c92_cs.c", "smc_tx_timeout"], ["drivers/net/ethernet/smsc/smc91x.c", "smc_timeout"], ["drivers/net/ethernet/stmicro/stmmac/stmmac_main.c", "stmmac_tx_timeout"], ["drivers/net/ethernet/sun/cassini.c", "cas_tx_timeout"], ["drivers/net/ethernet/sun/ldmvsw.c", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/sun/niu.c", "niu_tx_timeout"], ["drivers/net/ethernet/sun/sunbmac.c", "bigmac_tx_timeout"], ["drivers/net/ethernet/sun/sungem.c", "gem_tx_timeout"], ["drivers/net/ethernet/sun/sunhme.c", "happy_meal_tx_timeout"], ["drivers/net/ethernet/sun/sunqe.c", "qe_tx_timeout"], ["drivers/net/ethernet/sun/sunvnet.c", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/sun/sunvnet_common.c", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/sun/sunvnet_common.h", "sunvnet_tx_timeout_common"], ["drivers/net/ethernet/synopsys/dwc-xlgmac-net.c", "xlgmac_tx_timeout"], ["drivers/net/ethernet/ti/cpmac.c", "cpmac_tx_timeout"], ["drivers/net/ethernet/ti/cpsw.c", "cpsw_ndo_tx_timeout"], ["drivers/net/ethernet/ti/cpsw_priv.c", "cpsw_ndo_tx_timeout"], ["drivers/net/ethernet/ti/cpsw_priv.h", "cpsw_ndo_tx_timeout"], ["drivers/net/ethernet/ti/davinci_emac.c", "emac_dev_tx_timeout"], ["drivers/net/ethernet/ti/netcp_core.c", "netcp_ndo_tx_timeout"], ["drivers/net/ethernet/ti/tlan.c", "tlan_tx_timeout"], ["drivers/net/ethernet/toshiba/ps3_gelic_net.h", "gelic_net_tx_timeout"], ["drivers/net/ethernet/toshiba/ps3_gelic_net.c", "gelic_net_tx_timeout"], ["drivers/net/ethernet/toshiba/ps3_gelic_wireless.c", "gelic_net_tx_timeout"], ["drivers/net/ethernet/toshiba/spider_net.c", "spider_net_tx_timeout"], ["drivers/net/ethernet/toshiba/tc35815.c", "tc35815_tx_timeout"], ["drivers/net/ethernet/via/via-rhine.c", "rhine_tx_timeout"], ["drivers/net/ethernet/wiznet/w5100.c", "w5100_tx_timeout"], ["drivers/net/ethernet/wiznet/w5300.c", "w5300_tx_timeout"], ["drivers/net/ethernet/xilinx/xilinx_emaclite.c", "xemaclite_tx_timeout"], ["drivers/net/ethernet/xircom/xirc2ps_cs.c", "xirc_tx_timeout"], ["drivers/net/fjes/fjes_main.c", "fjes_tx_retry"], ["drivers/net/slip/slip.c", "sl_tx_timeout"], ["include/linux/usb/usbnet.h", "usbnet_tx_timeout"], ["drivers/net/usb/aqc111.c", "usbnet_tx_timeout"], ["drivers/net/usb/asix_devices.c", "usbnet_tx_timeout"], ["drivers/net/usb/asix_devices.c", "usbnet_tx_timeout"], ["drivers/net/usb/asix_devices.c", "usbnet_tx_timeout"], ["drivers/net/usb/ax88172a.c", "usbnet_tx_timeout"], ["drivers/net/usb/ax88179_178a.c", "usbnet_tx_timeout"], ["drivers/net/usb/catc.c", "catc_tx_timeout"], ["drivers/net/usb/cdc_mbim.c", "usbnet_tx_timeout"], ["drivers/net/usb/cdc_ncm.c", "usbnet_tx_timeout"], ["drivers/net/usb/dm9601.c", "usbnet_tx_timeout"], ["drivers/net/usb/hso.c", "hso_net_tx_timeout"], ["drivers/net/usb/int51x1.c", "usbnet_tx_timeout"], ["drivers/net/usb/ipheth.c", "ipheth_tx_timeout"], ["drivers/net/usb/kaweth.c", "kaweth_tx_timeout"], ["drivers/net/usb/lan78xx.c", "lan78xx_tx_timeout"], ["drivers/net/usb/mcs7830.c", "usbnet_tx_timeout"], ["drivers/net/usb/pegasus.c", "pegasus_tx_timeout"], ["drivers/net/usb/qmi_wwan.c", "usbnet_tx_timeout"], ["drivers/net/usb/r8152.c", "rtl8152_tx_timeout"], ["drivers/net/usb/rndis_host.c", "usbnet_tx_timeout"], ["drivers/net/usb/rtl8150.c", "rtl8150_tx_timeout"], ["drivers/net/usb/sierra_net.c", "usbnet_tx_timeout"], ["drivers/net/usb/smsc75xx.c", "usbnet_tx_timeout"], ["drivers/net/usb/smsc95xx.c", "usbnet_tx_timeout"], ["drivers/net/usb/sr9700.c", "usbnet_tx_timeout"], ["drivers/net/usb/sr9800.c", "usbnet_tx_timeout"], ["drivers/net/usb/usbnet.c", "usbnet_tx_timeout"], ["drivers/net/vmxnet3/vmxnet3_drv.c", "vmxnet3_tx_timeout"], ["drivers/net/wan/cosa.c", "cosa_net_timeout"], ["drivers/net/wan/farsync.c", "fst_tx_timeout"], ["drivers/net/wan/fsl_ucc_hdlc.c", "uhdlc_tx_timeout"], ["drivers/net/wan/lmc/lmc_main.c", "lmc_driver_timeout"], ["drivers/net/wan/x25_asy.c", "x25_asy_timeout"], ["drivers/net/wimax/i2400m/netdev.c", "i2400m_tx_timeout"], ["drivers/net/wireless/intel/ipw2x00/ipw2100.c", "ipw2100_tx_timeout"], ["drivers/net/wireless/intersil/hostap/hostap_main.c", "prism2_tx_timeout"], ["drivers/net/wireless/intersil/hostap/hostap_main.c", "prism2_tx_timeout"], ["drivers/net/wireless/intersil/hostap/hostap_main.c", "prism2_tx_timeout"], ["drivers/net/wireless/intersil/orinoco/main.c", "orinoco_tx_timeout"], ["drivers/net/wireless/intersil/orinoco/orinoco_usb.c", "orinoco_tx_timeout"], ["drivers/net/wireless/intersil/orinoco/orinoco.h", "orinoco_tx_timeout"], ["drivers/net/wireless/intersil/prism54/islpci_dev.c", "islpci_eth_tx_timeout"], ["drivers/net/wireless/intersil/prism54/islpci_eth.c", "islpci_eth_tx_timeout"], ["drivers/net/wireless/intersil/prism54/islpci_eth.h", "islpci_eth_tx_timeout"], ["drivers/net/wireless/marvell/mwifiex/main.c", "mwifiex_tx_timeout"], ["drivers/net/wireless/quantenna/qtnfmac/core.c", "qtnf_netdev_tx_timeout"], ["drivers/net/wireless/quantenna/qtnfmac/core.h", "qtnf_netdev_tx_timeout"], ["drivers/net/wireless/rndis_wlan.c", "usbnet_tx_timeout"], ["drivers/net/wireless/wl3501_cs.c", "wl3501_tx_timeout"], ["drivers/net/wireless/zydas/zd1201.c", "zd1201_tx_timeout"], ["drivers/s390/net/qeth_core.h", "qeth_tx_timeout"], ["drivers/s390/net/qeth_core_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l2_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l2_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l3_main.c", "qeth_tx_timeout"], ["drivers/s390/net/qeth_l3_main.c", "qeth_tx_timeout"], ["drivers/staging/ks7010/ks_wlan_net.c", "ks_wlan_tx_timeout"], ["drivers/staging/qlge/qlge_main.c", "qlge_tx_timeout"], ["drivers/staging/rtl8192e/rtl8192e/rtl_core.c", "_rtl92e_tx_timeout"], ["drivers/staging/rtl8192u/r8192U_core.c", "tx_timeout"], ["drivers/staging/unisys/visornic/visornic_main.c", "visornic_xmit_timeout"], ["drivers/staging/wlan-ng/p80211netdev.c", "p80211knetdev_tx_timeout"], ["drivers/tty/n_gsm.c", "gsm_mux_net_tx_timeout"], ["drivers/tty/synclink.c", "hdlcdev_tx_timeout"], ["drivers/tty/synclink_gt.c", "hdlcdev_tx_timeout"], ["drivers/tty/synclinkmp.c", "hdlcdev_tx_timeout"], ["net/atm/lec.c", "lec_tx_timeout"], ["net/bluetooth/bnep/netdev.c", "bnep_net_timeout"] ); for my $p (@work) { my @pair = @$p; my $file = $pair[0]; my $func = $pair[1]; print STDERR $file , ": ", $func,"\n"; our @ARGV = ($file); while (<ARGV>) { if (m/($func\s*\(struct\s+net_device\s+\*[A-Za-z_]?[A-Za-z-0-9_]*)(\))/) { print STDERR "found $1+$2 in $file\n"; } if (s/($func\s*\(struct\s+net_device\s+\*[A-Za-z_]?[A-Za-z-0-9_]*)(\))/$1, unsigned int txqueue$2/) { print STDERR "$func found in $file\n"; } print; } } where the list of files and functions is simply from: git grep ndo_tx_timeout, with manual addition of headers in the rare cases where the function is from a header, then manually changing the few places which actually call ndo_tx_timeout. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Shannon Nelson <snelson@pensando.io> Reviewed-by: Martin Habets <mhabets@solarflare.com> changes from v9: fixup a forward declaration changes from v9: more leftovers from v3 change changes from v8: fix up a missing direct call to timeout rebased on net-next changes from v7: fixup leftovers from v3 change changes from v6: fix typo in rtl driver changes from v5: add missing files (allow any net device argument name) changes from v4: add a missing driver header changes from v3: change queue # to unsigned Changes from v2: added headers Changes from v1: Fix errors found by kbuild: generalize the pattern a bit, to pick up a couple of instances missed by the previous version. Signed-off-by: David S. Miller <davem@davemloft.net>
1283 lines
36 KiB
C
1283 lines
36 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/****************************************************************
|
|
*
|
|
* kaweth.c - driver for KL5KUSB101 based USB->Ethernet
|
|
*
|
|
* (c) 2000 Interlan Communications
|
|
* (c) 2000 Stephane Alnet
|
|
* (C) 2001 Brad Hards
|
|
* (C) 2002 Oliver Neukum
|
|
*
|
|
* Original author: The Zapman <zapman@interlan.net>
|
|
* Inspired by, and much credit goes to Michael Rothwell
|
|
* <rothwell@interlan.net> for the test equipment, help, and patience
|
|
* Based off of (and with thanks to) Petko Manolov's pegaus.c driver.
|
|
* Also many thanks to Joel Silverman and Ed Surprenant at Kawasaki
|
|
* for providing the firmware and driver resources.
|
|
*
|
|
****************************************************************/
|
|
|
|
/* TODO:
|
|
* Develop test procedures for USB net interfaces
|
|
* Run test procedures
|
|
* Fix bugs from previous two steps
|
|
* Snoop other OSs for any tricks we're not doing
|
|
* Reduce arbitrary timeouts
|
|
* Smart multicast support
|
|
* Temporary MAC change support
|
|
* Tunable SOFs parameter - ioctl()?
|
|
* Ethernet stats collection
|
|
* Code formatting improvements
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/string.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/etherdevice.h>
|
|
#include <linux/usb.h>
|
|
#include <linux/types.h>
|
|
#include <linux/ethtool.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/wait.h>
|
|
#include <linux/firmware.h>
|
|
#include <linux/uaccess.h>
|
|
#include <asm/byteorder.h>
|
|
|
|
#undef DEBUG
|
|
|
|
#define KAWETH_MTU 1514
|
|
#define KAWETH_BUF_SIZE 1664
|
|
#define KAWETH_TX_TIMEOUT (5 * HZ)
|
|
#define KAWETH_SCRATCH_SIZE 32
|
|
#define KAWETH_FIRMWARE_BUF_SIZE 4096
|
|
#define KAWETH_CONTROL_TIMEOUT (30000)
|
|
|
|
#define KAWETH_STATUS_BROKEN 0x0000001
|
|
#define KAWETH_STATUS_CLOSING 0x0000002
|
|
#define KAWETH_STATUS_SUSPENDING 0x0000004
|
|
|
|
#define KAWETH_STATUS_BLOCKED (KAWETH_STATUS_CLOSING | KAWETH_STATUS_SUSPENDING)
|
|
|
|
#define KAWETH_PACKET_FILTER_PROMISCUOUS 0x01
|
|
#define KAWETH_PACKET_FILTER_ALL_MULTICAST 0x02
|
|
#define KAWETH_PACKET_FILTER_DIRECTED 0x04
|
|
#define KAWETH_PACKET_FILTER_BROADCAST 0x08
|
|
#define KAWETH_PACKET_FILTER_MULTICAST 0x10
|
|
|
|
/* Table 7 */
|
|
#define KAWETH_COMMAND_GET_ETHERNET_DESC 0x00
|
|
#define KAWETH_COMMAND_MULTICAST_FILTERS 0x01
|
|
#define KAWETH_COMMAND_SET_PACKET_FILTER 0x02
|
|
#define KAWETH_COMMAND_STATISTICS 0x03
|
|
#define KAWETH_COMMAND_SET_TEMP_MAC 0x06
|
|
#define KAWETH_COMMAND_GET_TEMP_MAC 0x07
|
|
#define KAWETH_COMMAND_SET_URB_SIZE 0x08
|
|
#define KAWETH_COMMAND_SET_SOFS_WAIT 0x09
|
|
#define KAWETH_COMMAND_SCAN 0xFF
|
|
|
|
#define KAWETH_SOFS_TO_WAIT 0x05
|
|
|
|
#define INTBUFFERSIZE 4
|
|
|
|
#define STATE_OFFSET 0
|
|
#define STATE_MASK 0x40
|
|
#define STATE_SHIFT 5
|
|
|
|
#define IS_BLOCKED(s) (s & KAWETH_STATUS_BLOCKED)
|
|
|
|
|
|
MODULE_AUTHOR("Michael Zappe <zapman@interlan.net>, Stephane Alnet <stephane@u-picardie.fr>, Brad Hards <bhards@bigpond.net.au> and Oliver Neukum <oliver@neukum.org>");
|
|
MODULE_DESCRIPTION("KL5USB101 USB Ethernet driver");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_FIRMWARE("kaweth/new_code.bin");
|
|
MODULE_FIRMWARE("kaweth/new_code_fix.bin");
|
|
MODULE_FIRMWARE("kaweth/trigger_code.bin");
|
|
MODULE_FIRMWARE("kaweth/trigger_code_fix.bin");
|
|
|
|
static const char driver_name[] = "kaweth";
|
|
|
|
static int kaweth_probe(
|
|
struct usb_interface *intf,
|
|
const struct usb_device_id *id /* from id_table */
|
|
);
|
|
static void kaweth_disconnect(struct usb_interface *intf);
|
|
static int kaweth_internal_control_msg(struct usb_device *usb_dev,
|
|
unsigned int pipe,
|
|
struct usb_ctrlrequest *cmd, void *data,
|
|
int len, int timeout);
|
|
static int kaweth_suspend(struct usb_interface *intf, pm_message_t message);
|
|
static int kaweth_resume(struct usb_interface *intf);
|
|
|
|
/****************************************************************
|
|
* usb_device_id
|
|
****************************************************************/
|
|
static const struct usb_device_id usb_klsi_table[] = {
|
|
{ USB_DEVICE(0x03e8, 0x0008) }, /* AOX Endpoints USB Ethernet */
|
|
{ USB_DEVICE(0x04bb, 0x0901) }, /* I-O DATA USB-ET/T */
|
|
{ USB_DEVICE(0x0506, 0x03e8) }, /* 3Com 3C19250 */
|
|
{ USB_DEVICE(0x0506, 0x11f8) }, /* 3Com 3C460 */
|
|
{ USB_DEVICE(0x0557, 0x2002) }, /* ATEN USB Ethernet */
|
|
{ USB_DEVICE(0x0557, 0x4000) }, /* D-Link DSB-650C */
|
|
{ USB_DEVICE(0x0565, 0x0002) }, /* Peracom Enet */
|
|
{ USB_DEVICE(0x0565, 0x0003) }, /* Optus@Home UEP1045A */
|
|
{ USB_DEVICE(0x0565, 0x0005) }, /* Peracom Enet2 */
|
|
{ USB_DEVICE(0x05e9, 0x0008) }, /* KLSI KL5KUSB101B */
|
|
{ USB_DEVICE(0x05e9, 0x0009) }, /* KLSI KL5KUSB101B (Board change) */
|
|
{ USB_DEVICE(0x066b, 0x2202) }, /* Linksys USB10T */
|
|
{ USB_DEVICE(0x06e1, 0x0008) }, /* ADS USB-10BT */
|
|
{ USB_DEVICE(0x06e1, 0x0009) }, /* ADS USB-10BT */
|
|
{ USB_DEVICE(0x0707, 0x0100) }, /* SMC 2202USB */
|
|
{ USB_DEVICE(0x07aa, 0x0001) }, /* Correga K.K. */
|
|
{ USB_DEVICE(0x07b8, 0x4000) }, /* D-Link DU-E10 */
|
|
{ USB_DEVICE(0x07c9, 0xb010) }, /* Allied Telesyn AT-USB10 USB Ethernet Adapter */
|
|
{ USB_DEVICE(0x0846, 0x1001) }, /* NetGear EA-101 */
|
|
{ USB_DEVICE(0x0846, 0x1002) }, /* NetGear EA-101 */
|
|
{ USB_DEVICE(0x085a, 0x0008) }, /* PortGear Ethernet Adapter */
|
|
{ USB_DEVICE(0x085a, 0x0009) }, /* PortGear Ethernet Adapter */
|
|
{ USB_DEVICE(0x087d, 0x5704) }, /* Jaton USB Ethernet Device Adapter */
|
|
{ USB_DEVICE(0x0951, 0x0008) }, /* Kingston Technology USB Ethernet Adapter */
|
|
{ USB_DEVICE(0x095a, 0x3003) }, /* Portsmith Express Ethernet Adapter */
|
|
{ USB_DEVICE(0x10bd, 0x1427) }, /* ASANTE USB To Ethernet Adapter */
|
|
{ USB_DEVICE(0x1342, 0x0204) }, /* Mobility USB-Ethernet Adapter */
|
|
{ USB_DEVICE(0x13d2, 0x0400) }, /* Shark Pocket Adapter */
|
|
{ USB_DEVICE(0x1485, 0x0001) }, /* Silicom U2E */
|
|
{ USB_DEVICE(0x1485, 0x0002) }, /* Psion Dacom Gold Port Ethernet */
|
|
{ USB_DEVICE(0x1645, 0x0005) }, /* Entrega E45 */
|
|
{ USB_DEVICE(0x1645, 0x0008) }, /* Entrega USB Ethernet Adapter */
|
|
{ USB_DEVICE(0x1645, 0x8005) }, /* PortGear Ethernet Adapter */
|
|
{ USB_DEVICE(0x1668, 0x0323) }, /* Actiontec USB Ethernet */
|
|
{ USB_DEVICE(0x2001, 0x4000) }, /* D-link DSB-650C */
|
|
{} /* Null terminator */
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE (usb, usb_klsi_table);
|
|
|
|
/****************************************************************
|
|
* kaweth_driver
|
|
****************************************************************/
|
|
static struct usb_driver kaweth_driver = {
|
|
.name = driver_name,
|
|
.probe = kaweth_probe,
|
|
.disconnect = kaweth_disconnect,
|
|
.suspend = kaweth_suspend,
|
|
.resume = kaweth_resume,
|
|
.id_table = usb_klsi_table,
|
|
.supports_autosuspend = 1,
|
|
.disable_hub_initiated_lpm = 1,
|
|
};
|
|
|
|
typedef __u8 eth_addr_t[6];
|
|
|
|
/****************************************************************
|
|
* usb_eth_dev
|
|
****************************************************************/
|
|
struct usb_eth_dev {
|
|
char *name;
|
|
__u16 vendor;
|
|
__u16 device;
|
|
void *pdata;
|
|
};
|
|
|
|
/****************************************************************
|
|
* kaweth_ethernet_configuration
|
|
* Refer Table 8
|
|
****************************************************************/
|
|
struct kaweth_ethernet_configuration
|
|
{
|
|
__u8 size;
|
|
__u8 reserved1;
|
|
__u8 reserved2;
|
|
eth_addr_t hw_addr;
|
|
__u32 statistics_mask;
|
|
__le16 segment_size;
|
|
__u16 max_multicast_filters;
|
|
__u8 reserved3;
|
|
} __packed;
|
|
|
|
/****************************************************************
|
|
* kaweth_device
|
|
****************************************************************/
|
|
struct kaweth_device
|
|
{
|
|
spinlock_t device_lock;
|
|
|
|
__u32 status;
|
|
int end;
|
|
int suspend_lowmem_rx;
|
|
int suspend_lowmem_ctrl;
|
|
int linkstate;
|
|
int opened;
|
|
struct delayed_work lowmem_work;
|
|
|
|
struct usb_device *dev;
|
|
struct usb_interface *intf;
|
|
struct net_device *net;
|
|
wait_queue_head_t term_wait;
|
|
|
|
struct urb *rx_urb;
|
|
struct urb *tx_urb;
|
|
struct urb *irq_urb;
|
|
|
|
dma_addr_t intbufferhandle;
|
|
__u8 *intbuffer;
|
|
dma_addr_t rxbufferhandle;
|
|
__u8 *rx_buf;
|
|
|
|
|
|
struct sk_buff *tx_skb;
|
|
|
|
__u8 *firmware_buf;
|
|
__u8 scratch[KAWETH_SCRATCH_SIZE];
|
|
__u16 packet_filter_bitmap;
|
|
|
|
struct kaweth_ethernet_configuration configuration;
|
|
};
|
|
|
|
/****************************************************************
|
|
* kaweth_control
|
|
****************************************************************/
|
|
static int kaweth_control(struct kaweth_device *kaweth,
|
|
unsigned int pipe,
|
|
__u8 request,
|
|
__u8 requesttype,
|
|
__u16 value,
|
|
__u16 index,
|
|
void *data,
|
|
__u16 size,
|
|
int timeout)
|
|
{
|
|
struct usb_ctrlrequest *dr;
|
|
int retval;
|
|
|
|
if(in_interrupt()) {
|
|
netdev_dbg(kaweth->net, "in_interrupt()\n");
|
|
return -EBUSY;
|
|
}
|
|
|
|
dr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
|
|
if (!dr)
|
|
return -ENOMEM;
|
|
|
|
dr->bRequestType = requesttype;
|
|
dr->bRequest = request;
|
|
dr->wValue = cpu_to_le16(value);
|
|
dr->wIndex = cpu_to_le16(index);
|
|
dr->wLength = cpu_to_le16(size);
|
|
|
|
retval = kaweth_internal_control_msg(kaweth->dev,
|
|
pipe,
|
|
dr,
|
|
data,
|
|
size,
|
|
timeout);
|
|
|
|
kfree(dr);
|
|
return retval;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_read_configuration
|
|
****************************************************************/
|
|
static int kaweth_read_configuration(struct kaweth_device *kaweth)
|
|
{
|
|
int retval;
|
|
|
|
retval = kaweth_control(kaweth,
|
|
usb_rcvctrlpipe(kaweth->dev, 0),
|
|
KAWETH_COMMAND_GET_ETHERNET_DESC,
|
|
USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_DEVICE,
|
|
0,
|
|
0,
|
|
(void *)&kaweth->configuration,
|
|
sizeof(kaweth->configuration),
|
|
KAWETH_CONTROL_TIMEOUT);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_set_urb_size
|
|
****************************************************************/
|
|
static int kaweth_set_urb_size(struct kaweth_device *kaweth, __u16 urb_size)
|
|
{
|
|
int retval;
|
|
|
|
netdev_dbg(kaweth->net, "Setting URB size to %d\n", (unsigned)urb_size);
|
|
|
|
retval = kaweth_control(kaweth,
|
|
usb_sndctrlpipe(kaweth->dev, 0),
|
|
KAWETH_COMMAND_SET_URB_SIZE,
|
|
USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
|
|
urb_size,
|
|
0,
|
|
(void *)&kaweth->scratch,
|
|
0,
|
|
KAWETH_CONTROL_TIMEOUT);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_set_sofs_wait
|
|
****************************************************************/
|
|
static int kaweth_set_sofs_wait(struct kaweth_device *kaweth, __u16 sofs_wait)
|
|
{
|
|
int retval;
|
|
|
|
netdev_dbg(kaweth->net, "Set SOFS wait to %d\n", (unsigned)sofs_wait);
|
|
|
|
retval = kaweth_control(kaweth,
|
|
usb_sndctrlpipe(kaweth->dev, 0),
|
|
KAWETH_COMMAND_SET_SOFS_WAIT,
|
|
USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
|
|
sofs_wait,
|
|
0,
|
|
(void *)&kaweth->scratch,
|
|
0,
|
|
KAWETH_CONTROL_TIMEOUT);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_set_receive_filter
|
|
****************************************************************/
|
|
static int kaweth_set_receive_filter(struct kaweth_device *kaweth,
|
|
__u16 receive_filter)
|
|
{
|
|
int retval;
|
|
|
|
netdev_dbg(kaweth->net, "Set receive filter to %d\n",
|
|
(unsigned)receive_filter);
|
|
|
|
retval = kaweth_control(kaweth,
|
|
usb_sndctrlpipe(kaweth->dev, 0),
|
|
KAWETH_COMMAND_SET_PACKET_FILTER,
|
|
USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
|
|
receive_filter,
|
|
0,
|
|
(void *)&kaweth->scratch,
|
|
0,
|
|
KAWETH_CONTROL_TIMEOUT);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_download_firmware
|
|
****************************************************************/
|
|
static int kaweth_download_firmware(struct kaweth_device *kaweth,
|
|
const char *fwname,
|
|
__u8 interrupt,
|
|
__u8 type)
|
|
{
|
|
const struct firmware *fw;
|
|
int data_len;
|
|
int ret;
|
|
|
|
ret = request_firmware(&fw, fwname, &kaweth->dev->dev);
|
|
if (ret) {
|
|
dev_err(&kaweth->intf->dev, "Firmware request failed\n");
|
|
return ret;
|
|
}
|
|
|
|
if (fw->size > KAWETH_FIRMWARE_BUF_SIZE) {
|
|
dev_err(&kaweth->intf->dev, "Firmware too big: %zu\n",
|
|
fw->size);
|
|
release_firmware(fw);
|
|
return -ENOSPC;
|
|
}
|
|
data_len = fw->size;
|
|
memcpy(kaweth->firmware_buf, fw->data, fw->size);
|
|
|
|
release_firmware(fw);
|
|
|
|
kaweth->firmware_buf[2] = (data_len & 0xFF) - 7;
|
|
kaweth->firmware_buf[3] = data_len >> 8;
|
|
kaweth->firmware_buf[4] = type;
|
|
kaweth->firmware_buf[5] = interrupt;
|
|
|
|
netdev_dbg(kaweth->net, "High: %i, Low:%i\n", kaweth->firmware_buf[3],
|
|
kaweth->firmware_buf[2]);
|
|
|
|
netdev_dbg(kaweth->net,
|
|
"Downloading firmware at %p to kaweth device at %p\n",
|
|
kaweth->firmware_buf, kaweth);
|
|
netdev_dbg(kaweth->net, "Firmware length: %d\n", data_len);
|
|
|
|
return kaweth_control(kaweth,
|
|
usb_sndctrlpipe(kaweth->dev, 0),
|
|
KAWETH_COMMAND_SCAN,
|
|
USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
|
|
0,
|
|
0,
|
|
(void *)kaweth->firmware_buf,
|
|
data_len,
|
|
KAWETH_CONTROL_TIMEOUT);
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_trigger_firmware
|
|
****************************************************************/
|
|
static int kaweth_trigger_firmware(struct kaweth_device *kaweth,
|
|
__u8 interrupt)
|
|
{
|
|
kaweth->firmware_buf[0] = 0xB6;
|
|
kaweth->firmware_buf[1] = 0xC3;
|
|
kaweth->firmware_buf[2] = 0x01;
|
|
kaweth->firmware_buf[3] = 0x00;
|
|
kaweth->firmware_buf[4] = 0x06;
|
|
kaweth->firmware_buf[5] = interrupt;
|
|
kaweth->firmware_buf[6] = 0x00;
|
|
kaweth->firmware_buf[7] = 0x00;
|
|
|
|
return kaweth_control(kaweth,
|
|
usb_sndctrlpipe(kaweth->dev, 0),
|
|
KAWETH_COMMAND_SCAN,
|
|
USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
|
|
0,
|
|
0,
|
|
(void *)kaweth->firmware_buf,
|
|
8,
|
|
KAWETH_CONTROL_TIMEOUT);
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_reset
|
|
****************************************************************/
|
|
static int kaweth_reset(struct kaweth_device *kaweth)
|
|
{
|
|
int result;
|
|
|
|
result = usb_reset_configuration(kaweth->dev);
|
|
mdelay(10);
|
|
|
|
netdev_dbg(kaweth->net, "kaweth_reset() returns %d.\n", result);
|
|
|
|
return result;
|
|
}
|
|
|
|
static void kaweth_usb_receive(struct urb *);
|
|
static int kaweth_resubmit_rx_urb(struct kaweth_device *, gfp_t);
|
|
|
|
/****************************************************************
|
|
int_callback
|
|
*****************************************************************/
|
|
|
|
static void kaweth_resubmit_int_urb(struct kaweth_device *kaweth, gfp_t mf)
|
|
{
|
|
int status;
|
|
|
|
status = usb_submit_urb (kaweth->irq_urb, mf);
|
|
if (unlikely(status == -ENOMEM)) {
|
|
kaweth->suspend_lowmem_ctrl = 1;
|
|
schedule_delayed_work(&kaweth->lowmem_work, HZ/4);
|
|
} else {
|
|
kaweth->suspend_lowmem_ctrl = 0;
|
|
}
|
|
|
|
if (status)
|
|
dev_err(&kaweth->intf->dev,
|
|
"can't resubmit intr, %s-%s, status %d\n",
|
|
kaweth->dev->bus->bus_name,
|
|
kaweth->dev->devpath, status);
|
|
}
|
|
|
|
static void int_callback(struct urb *u)
|
|
{
|
|
struct kaweth_device *kaweth = u->context;
|
|
int act_state;
|
|
int status = u->status;
|
|
|
|
switch (status) {
|
|
case 0: /* success */
|
|
break;
|
|
case -ECONNRESET: /* unlink */
|
|
case -ENOENT:
|
|
case -ESHUTDOWN:
|
|
return;
|
|
/* -EPIPE: should clear the halt */
|
|
default: /* error */
|
|
goto resubmit;
|
|
}
|
|
|
|
/* we check the link state to report changes */
|
|
if (kaweth->linkstate != (act_state = ( kaweth->intbuffer[STATE_OFFSET] | STATE_MASK) >> STATE_SHIFT)) {
|
|
if (act_state)
|
|
netif_carrier_on(kaweth->net);
|
|
else
|
|
netif_carrier_off(kaweth->net);
|
|
|
|
kaweth->linkstate = act_state;
|
|
}
|
|
resubmit:
|
|
kaweth_resubmit_int_urb(kaweth, GFP_ATOMIC);
|
|
}
|
|
|
|
static void kaweth_resubmit_tl(struct work_struct *work)
|
|
{
|
|
struct kaweth_device *kaweth =
|
|
container_of(work, struct kaweth_device, lowmem_work.work);
|
|
|
|
if (IS_BLOCKED(kaweth->status))
|
|
return;
|
|
|
|
if (kaweth->suspend_lowmem_rx)
|
|
kaweth_resubmit_rx_urb(kaweth, GFP_NOIO);
|
|
|
|
if (kaweth->suspend_lowmem_ctrl)
|
|
kaweth_resubmit_int_urb(kaweth, GFP_NOIO);
|
|
}
|
|
|
|
|
|
/****************************************************************
|
|
* kaweth_resubmit_rx_urb
|
|
****************************************************************/
|
|
static int kaweth_resubmit_rx_urb(struct kaweth_device *kaweth,
|
|
gfp_t mem_flags)
|
|
{
|
|
int result;
|
|
|
|
usb_fill_bulk_urb(kaweth->rx_urb,
|
|
kaweth->dev,
|
|
usb_rcvbulkpipe(kaweth->dev, 1),
|
|
kaweth->rx_buf,
|
|
KAWETH_BUF_SIZE,
|
|
kaweth_usb_receive,
|
|
kaweth);
|
|
kaweth->rx_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
|
kaweth->rx_urb->transfer_dma = kaweth->rxbufferhandle;
|
|
|
|
if((result = usb_submit_urb(kaweth->rx_urb, mem_flags))) {
|
|
if (result == -ENOMEM) {
|
|
kaweth->suspend_lowmem_rx = 1;
|
|
schedule_delayed_work(&kaweth->lowmem_work, HZ/4);
|
|
}
|
|
dev_err(&kaweth->intf->dev, "resubmitting rx_urb %d failed\n",
|
|
result);
|
|
} else {
|
|
kaweth->suspend_lowmem_rx = 0;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static void kaweth_async_set_rx_mode(struct kaweth_device *kaweth);
|
|
|
|
/****************************************************************
|
|
* kaweth_usb_receive
|
|
****************************************************************/
|
|
static void kaweth_usb_receive(struct urb *urb)
|
|
{
|
|
struct device *dev = &urb->dev->dev;
|
|
struct kaweth_device *kaweth = urb->context;
|
|
struct net_device *net = kaweth->net;
|
|
int status = urb->status;
|
|
unsigned long flags;
|
|
int count = urb->actual_length;
|
|
int count2 = urb->transfer_buffer_length;
|
|
|
|
__u16 pkt_len = le16_to_cpup((__le16 *)kaweth->rx_buf);
|
|
|
|
struct sk_buff *skb;
|
|
|
|
if (unlikely(status == -EPIPE)) {
|
|
net->stats.rx_errors++;
|
|
kaweth->end = 1;
|
|
wake_up(&kaweth->term_wait);
|
|
dev_dbg(dev, "Status was -EPIPE.\n");
|
|
return;
|
|
}
|
|
if (unlikely(status == -ECONNRESET || status == -ESHUTDOWN)) {
|
|
/* we are killed - set a flag and wake the disconnect handler */
|
|
kaweth->end = 1;
|
|
wake_up(&kaweth->term_wait);
|
|
dev_dbg(dev, "Status was -ECONNRESET or -ESHUTDOWN.\n");
|
|
return;
|
|
}
|
|
if (unlikely(status == -EPROTO || status == -ETIME ||
|
|
status == -EILSEQ)) {
|
|
net->stats.rx_errors++;
|
|
dev_dbg(dev, "Status was -EPROTO, -ETIME, or -EILSEQ.\n");
|
|
return;
|
|
}
|
|
if (unlikely(status == -EOVERFLOW)) {
|
|
net->stats.rx_errors++;
|
|
dev_dbg(dev, "Status was -EOVERFLOW.\n");
|
|
}
|
|
spin_lock_irqsave(&kaweth->device_lock, flags);
|
|
if (IS_BLOCKED(kaweth->status)) {
|
|
spin_unlock_irqrestore(&kaweth->device_lock, flags);
|
|
return;
|
|
}
|
|
spin_unlock_irqrestore(&kaweth->device_lock, flags);
|
|
|
|
if(status && status != -EREMOTEIO && count != 1) {
|
|
dev_err(&kaweth->intf->dev,
|
|
"%s RX status: %d count: %d packet_len: %d\n",
|
|
net->name, status, count, (int)pkt_len);
|
|
kaweth_resubmit_rx_urb(kaweth, GFP_ATOMIC);
|
|
return;
|
|
}
|
|
|
|
if(kaweth->net && (count > 2)) {
|
|
if(pkt_len > (count - 2)) {
|
|
dev_err(&kaweth->intf->dev,
|
|
"Packet length too long for USB frame (pkt_len: %x, count: %x)\n",
|
|
pkt_len, count);
|
|
dev_err(&kaweth->intf->dev, "Packet len & 2047: %x\n",
|
|
pkt_len & 2047);
|
|
dev_err(&kaweth->intf->dev, "Count 2: %x\n", count2);
|
|
kaweth_resubmit_rx_urb(kaweth, GFP_ATOMIC);
|
|
return;
|
|
}
|
|
|
|
if(!(skb = dev_alloc_skb(pkt_len+2))) {
|
|
kaweth_resubmit_rx_urb(kaweth, GFP_ATOMIC);
|
|
return;
|
|
}
|
|
|
|
skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */
|
|
|
|
skb_copy_to_linear_data(skb, kaweth->rx_buf + 2, pkt_len);
|
|
|
|
skb_put(skb, pkt_len);
|
|
|
|
skb->protocol = eth_type_trans(skb, net);
|
|
|
|
netif_rx(skb);
|
|
|
|
net->stats.rx_packets++;
|
|
net->stats.rx_bytes += pkt_len;
|
|
}
|
|
|
|
kaweth_resubmit_rx_urb(kaweth, GFP_ATOMIC);
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_open
|
|
****************************************************************/
|
|
static int kaweth_open(struct net_device *net)
|
|
{
|
|
struct kaweth_device *kaweth = netdev_priv(net);
|
|
int res;
|
|
|
|
res = usb_autopm_get_interface(kaweth->intf);
|
|
if (res) {
|
|
dev_err(&kaweth->intf->dev, "Interface cannot be resumed.\n");
|
|
return -EIO;
|
|
}
|
|
res = kaweth_resubmit_rx_urb(kaweth, GFP_KERNEL);
|
|
if (res)
|
|
goto err_out;
|
|
|
|
usb_fill_int_urb(
|
|
kaweth->irq_urb,
|
|
kaweth->dev,
|
|
usb_rcvintpipe(kaweth->dev, 3),
|
|
kaweth->intbuffer,
|
|
INTBUFFERSIZE,
|
|
int_callback,
|
|
kaweth,
|
|
250); /* overriding the descriptor */
|
|
kaweth->irq_urb->transfer_dma = kaweth->intbufferhandle;
|
|
kaweth->irq_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
|
|
|
|
res = usb_submit_urb(kaweth->irq_urb, GFP_KERNEL);
|
|
if (res) {
|
|
usb_kill_urb(kaweth->rx_urb);
|
|
goto err_out;
|
|
}
|
|
kaweth->opened = 1;
|
|
|
|
netif_start_queue(net);
|
|
|
|
kaweth_async_set_rx_mode(kaweth);
|
|
return 0;
|
|
|
|
err_out:
|
|
usb_autopm_put_interface(kaweth->intf);
|
|
return -EIO;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_kill_urbs
|
|
****************************************************************/
|
|
static void kaweth_kill_urbs(struct kaweth_device *kaweth)
|
|
{
|
|
usb_kill_urb(kaweth->irq_urb);
|
|
usb_kill_urb(kaweth->rx_urb);
|
|
usb_kill_urb(kaweth->tx_urb);
|
|
|
|
cancel_delayed_work_sync(&kaweth->lowmem_work);
|
|
|
|
/* a scheduled work may have resubmitted,
|
|
we hit them again */
|
|
usb_kill_urb(kaweth->irq_urb);
|
|
usb_kill_urb(kaweth->rx_urb);
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_close
|
|
****************************************************************/
|
|
static int kaweth_close(struct net_device *net)
|
|
{
|
|
struct kaweth_device *kaweth = netdev_priv(net);
|
|
|
|
netif_stop_queue(net);
|
|
kaweth->opened = 0;
|
|
|
|
kaweth->status |= KAWETH_STATUS_CLOSING;
|
|
|
|
kaweth_kill_urbs(kaweth);
|
|
|
|
kaweth->status &= ~KAWETH_STATUS_CLOSING;
|
|
|
|
usb_autopm_put_interface(kaweth->intf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u32 kaweth_get_link(struct net_device *dev)
|
|
{
|
|
struct kaweth_device *kaweth = netdev_priv(dev);
|
|
|
|
return kaweth->linkstate;
|
|
}
|
|
|
|
static const struct ethtool_ops ops = {
|
|
.get_link = kaweth_get_link
|
|
};
|
|
|
|
/****************************************************************
|
|
* kaweth_usb_transmit_complete
|
|
****************************************************************/
|
|
static void kaweth_usb_transmit_complete(struct urb *urb)
|
|
{
|
|
struct kaweth_device *kaweth = urb->context;
|
|
struct sk_buff *skb = kaweth->tx_skb;
|
|
int status = urb->status;
|
|
|
|
if (unlikely(status != 0))
|
|
if (status != -ENOENT)
|
|
dev_dbg(&urb->dev->dev, "%s: TX status %d.\n",
|
|
kaweth->net->name, status);
|
|
|
|
netif_wake_queue(kaweth->net);
|
|
dev_kfree_skb_irq(skb);
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_start_xmit
|
|
****************************************************************/
|
|
static netdev_tx_t kaweth_start_xmit(struct sk_buff *skb,
|
|
struct net_device *net)
|
|
{
|
|
struct kaweth_device *kaweth = netdev_priv(net);
|
|
__le16 *private_header;
|
|
|
|
int res;
|
|
|
|
spin_lock_irq(&kaweth->device_lock);
|
|
|
|
kaweth_async_set_rx_mode(kaweth);
|
|
netif_stop_queue(net);
|
|
if (IS_BLOCKED(kaweth->status)) {
|
|
goto skip;
|
|
}
|
|
|
|
/* We now decide whether we can put our special header into the sk_buff */
|
|
if (skb_cow_head(skb, 2)) {
|
|
net->stats.tx_errors++;
|
|
netif_start_queue(net);
|
|
spin_unlock_irq(&kaweth->device_lock);
|
|
dev_kfree_skb_any(skb);
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
private_header = __skb_push(skb, 2);
|
|
*private_header = cpu_to_le16(skb->len-2);
|
|
kaweth->tx_skb = skb;
|
|
|
|
usb_fill_bulk_urb(kaweth->tx_urb,
|
|
kaweth->dev,
|
|
usb_sndbulkpipe(kaweth->dev, 2),
|
|
private_header,
|
|
skb->len,
|
|
kaweth_usb_transmit_complete,
|
|
kaweth);
|
|
kaweth->end = 0;
|
|
|
|
if((res = usb_submit_urb(kaweth->tx_urb, GFP_ATOMIC)))
|
|
{
|
|
dev_warn(&net->dev, "kaweth failed tx_urb %d\n", res);
|
|
skip:
|
|
net->stats.tx_errors++;
|
|
|
|
netif_start_queue(net);
|
|
dev_kfree_skb_irq(skb);
|
|
}
|
|
else
|
|
{
|
|
net->stats.tx_packets++;
|
|
net->stats.tx_bytes += skb->len;
|
|
}
|
|
|
|
spin_unlock_irq(&kaweth->device_lock);
|
|
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_set_rx_mode
|
|
****************************************************************/
|
|
static void kaweth_set_rx_mode(struct net_device *net)
|
|
{
|
|
struct kaweth_device *kaweth = netdev_priv(net);
|
|
|
|
__u16 packet_filter_bitmap = KAWETH_PACKET_FILTER_DIRECTED |
|
|
KAWETH_PACKET_FILTER_BROADCAST |
|
|
KAWETH_PACKET_FILTER_MULTICAST;
|
|
|
|
netdev_dbg(net, "Setting Rx mode to %d\n", packet_filter_bitmap);
|
|
|
|
netif_stop_queue(net);
|
|
|
|
if (net->flags & IFF_PROMISC) {
|
|
packet_filter_bitmap |= KAWETH_PACKET_FILTER_PROMISCUOUS;
|
|
}
|
|
else if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI)) {
|
|
packet_filter_bitmap |= KAWETH_PACKET_FILTER_ALL_MULTICAST;
|
|
}
|
|
|
|
kaweth->packet_filter_bitmap = packet_filter_bitmap;
|
|
netif_wake_queue(net);
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_async_set_rx_mode
|
|
****************************************************************/
|
|
static void kaweth_async_set_rx_mode(struct kaweth_device *kaweth)
|
|
{
|
|
int result;
|
|
__u16 packet_filter_bitmap = kaweth->packet_filter_bitmap;
|
|
|
|
kaweth->packet_filter_bitmap = 0;
|
|
if (packet_filter_bitmap == 0)
|
|
return;
|
|
|
|
if (in_interrupt())
|
|
return;
|
|
|
|
result = kaweth_control(kaweth,
|
|
usb_sndctrlpipe(kaweth->dev, 0),
|
|
KAWETH_COMMAND_SET_PACKET_FILTER,
|
|
USB_TYPE_VENDOR | USB_DIR_OUT | USB_RECIP_DEVICE,
|
|
packet_filter_bitmap,
|
|
0,
|
|
(void *)&kaweth->scratch,
|
|
0,
|
|
KAWETH_CONTROL_TIMEOUT);
|
|
|
|
if(result < 0) {
|
|
dev_err(&kaweth->intf->dev, "Failed to set Rx mode: %d\n",
|
|
result);
|
|
}
|
|
else {
|
|
netdev_dbg(kaweth->net, "Set Rx mode to %d\n",
|
|
packet_filter_bitmap);
|
|
}
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_tx_timeout
|
|
****************************************************************/
|
|
static void kaweth_tx_timeout(struct net_device *net, unsigned int txqueue)
|
|
{
|
|
struct kaweth_device *kaweth = netdev_priv(net);
|
|
|
|
dev_warn(&net->dev, "%s: Tx timed out. Resetting.\n", net->name);
|
|
net->stats.tx_errors++;
|
|
netif_trans_update(net);
|
|
|
|
usb_unlink_urb(kaweth->tx_urb);
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_suspend
|
|
****************************************************************/
|
|
static int kaweth_suspend(struct usb_interface *intf, pm_message_t message)
|
|
{
|
|
struct kaweth_device *kaweth = usb_get_intfdata(intf);
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&kaweth->device_lock, flags);
|
|
kaweth->status |= KAWETH_STATUS_SUSPENDING;
|
|
spin_unlock_irqrestore(&kaweth->device_lock, flags);
|
|
|
|
kaweth_kill_urbs(kaweth);
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_resume
|
|
****************************************************************/
|
|
static int kaweth_resume(struct usb_interface *intf)
|
|
{
|
|
struct kaweth_device *kaweth = usb_get_intfdata(intf);
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&kaweth->device_lock, flags);
|
|
kaweth->status &= ~KAWETH_STATUS_SUSPENDING;
|
|
spin_unlock_irqrestore(&kaweth->device_lock, flags);
|
|
|
|
if (!kaweth->opened)
|
|
return 0;
|
|
kaweth_resubmit_rx_urb(kaweth, GFP_NOIO);
|
|
kaweth_resubmit_int_urb(kaweth, GFP_NOIO);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_probe
|
|
****************************************************************/
|
|
|
|
|
|
static const struct net_device_ops kaweth_netdev_ops = {
|
|
.ndo_open = kaweth_open,
|
|
.ndo_stop = kaweth_close,
|
|
.ndo_start_xmit = kaweth_start_xmit,
|
|
.ndo_tx_timeout = kaweth_tx_timeout,
|
|
.ndo_set_rx_mode = kaweth_set_rx_mode,
|
|
.ndo_set_mac_address = eth_mac_addr,
|
|
.ndo_validate_addr = eth_validate_addr,
|
|
};
|
|
|
|
static int kaweth_probe(
|
|
struct usb_interface *intf,
|
|
const struct usb_device_id *id /* from id_table */
|
|
)
|
|
{
|
|
struct device *dev = &intf->dev;
|
|
struct usb_device *udev = interface_to_usbdev(intf);
|
|
struct kaweth_device *kaweth;
|
|
struct net_device *netdev;
|
|
const eth_addr_t bcast_addr = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
|
|
int result = 0;
|
|
int rv = -EIO;
|
|
|
|
dev_dbg(dev,
|
|
"Kawasaki Device Probe (Device number:%d): 0x%4.4x:0x%4.4x:0x%4.4x\n",
|
|
udev->devnum, le16_to_cpu(udev->descriptor.idVendor),
|
|
le16_to_cpu(udev->descriptor.idProduct),
|
|
le16_to_cpu(udev->descriptor.bcdDevice));
|
|
|
|
dev_dbg(dev, "Device at %p\n", udev);
|
|
|
|
dev_dbg(dev, "Descriptor length: %x type: %x\n",
|
|
(int)udev->descriptor.bLength,
|
|
(int)udev->descriptor.bDescriptorType);
|
|
|
|
netdev = alloc_etherdev(sizeof(*kaweth));
|
|
if (!netdev)
|
|
return -ENOMEM;
|
|
|
|
kaweth = netdev_priv(netdev);
|
|
kaweth->dev = udev;
|
|
kaweth->net = netdev;
|
|
kaweth->intf = intf;
|
|
|
|
spin_lock_init(&kaweth->device_lock);
|
|
init_waitqueue_head(&kaweth->term_wait);
|
|
|
|
dev_dbg(dev, "Resetting.\n");
|
|
|
|
kaweth_reset(kaweth);
|
|
|
|
/*
|
|
* If high byte of bcdDevice is nonzero, firmware is already
|
|
* downloaded. Don't try to do it again, or we'll hang the device.
|
|
*/
|
|
|
|
if (le16_to_cpu(udev->descriptor.bcdDevice) >> 8) {
|
|
dev_info(dev, "Firmware present in device.\n");
|
|
} else {
|
|
/* Download the firmware */
|
|
dev_info(dev, "Downloading firmware...\n");
|
|
kaweth->firmware_buf = (__u8 *)__get_free_page(GFP_KERNEL);
|
|
if (!kaweth->firmware_buf) {
|
|
rv = -ENOMEM;
|
|
goto err_free_netdev;
|
|
}
|
|
if ((result = kaweth_download_firmware(kaweth,
|
|
"kaweth/new_code.bin",
|
|
100,
|
|
2)) < 0) {
|
|
dev_err(dev, "Error downloading firmware (%d)\n",
|
|
result);
|
|
goto err_fw;
|
|
}
|
|
|
|
if ((result = kaweth_download_firmware(kaweth,
|
|
"kaweth/new_code_fix.bin",
|
|
100,
|
|
3)) < 0) {
|
|
dev_err(dev, "Error downloading firmware fix (%d)\n",
|
|
result);
|
|
goto err_fw;
|
|
}
|
|
|
|
if ((result = kaweth_download_firmware(kaweth,
|
|
"kaweth/trigger_code.bin",
|
|
126,
|
|
2)) < 0) {
|
|
dev_err(dev, "Error downloading trigger code (%d)\n",
|
|
result);
|
|
goto err_fw;
|
|
|
|
}
|
|
|
|
if ((result = kaweth_download_firmware(kaweth,
|
|
"kaweth/trigger_code_fix.bin",
|
|
126,
|
|
3)) < 0) {
|
|
dev_err(dev, "Error downloading trigger code fix (%d)\n", result);
|
|
goto err_fw;
|
|
}
|
|
|
|
|
|
if ((result = kaweth_trigger_firmware(kaweth, 126)) < 0) {
|
|
dev_err(dev, "Error triggering firmware (%d)\n", result);
|
|
goto err_fw;
|
|
}
|
|
|
|
/* Device will now disappear for a moment... */
|
|
dev_info(dev, "Firmware loaded. I'll be back...\n");
|
|
err_fw:
|
|
free_page((unsigned long)kaweth->firmware_buf);
|
|
free_netdev(netdev);
|
|
return -EIO;
|
|
}
|
|
|
|
result = kaweth_read_configuration(kaweth);
|
|
|
|
if(result < 0) {
|
|
dev_err(dev, "Error reading configuration (%d), no net device created\n", result);
|
|
goto err_free_netdev;
|
|
}
|
|
|
|
dev_info(dev, "Statistics collection: %x\n", kaweth->configuration.statistics_mask);
|
|
dev_info(dev, "Multicast filter limit: %x\n", kaweth->configuration.max_multicast_filters & ((1 << 15) - 1));
|
|
dev_info(dev, "MTU: %d\n", le16_to_cpu(kaweth->configuration.segment_size));
|
|
dev_info(dev, "Read MAC address %pM\n", kaweth->configuration.hw_addr);
|
|
|
|
if(!memcmp(&kaweth->configuration.hw_addr,
|
|
&bcast_addr,
|
|
sizeof(bcast_addr))) {
|
|
dev_err(dev, "Firmware not functioning properly, no net device created\n");
|
|
goto err_free_netdev;
|
|
}
|
|
|
|
if(kaweth_set_urb_size(kaweth, KAWETH_BUF_SIZE) < 0) {
|
|
dev_dbg(dev, "Error setting URB size\n");
|
|
goto err_free_netdev;
|
|
}
|
|
|
|
if(kaweth_set_sofs_wait(kaweth, KAWETH_SOFS_TO_WAIT) < 0) {
|
|
dev_err(dev, "Error setting SOFS wait\n");
|
|
goto err_free_netdev;
|
|
}
|
|
|
|
result = kaweth_set_receive_filter(kaweth,
|
|
KAWETH_PACKET_FILTER_DIRECTED |
|
|
KAWETH_PACKET_FILTER_BROADCAST |
|
|
KAWETH_PACKET_FILTER_MULTICAST);
|
|
|
|
if(result < 0) {
|
|
dev_err(dev, "Error setting receive filter\n");
|
|
goto err_free_netdev;
|
|
}
|
|
|
|
dev_dbg(dev, "Initializing net device.\n");
|
|
|
|
kaweth->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!kaweth->tx_urb)
|
|
goto err_free_netdev;
|
|
kaweth->rx_urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!kaweth->rx_urb)
|
|
goto err_only_tx;
|
|
kaweth->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!kaweth->irq_urb)
|
|
goto err_tx_and_rx;
|
|
|
|
kaweth->intbuffer = usb_alloc_coherent( kaweth->dev,
|
|
INTBUFFERSIZE,
|
|
GFP_KERNEL,
|
|
&kaweth->intbufferhandle);
|
|
if (!kaweth->intbuffer)
|
|
goto err_tx_and_rx_and_irq;
|
|
kaweth->rx_buf = usb_alloc_coherent( kaweth->dev,
|
|
KAWETH_BUF_SIZE,
|
|
GFP_KERNEL,
|
|
&kaweth->rxbufferhandle);
|
|
if (!kaweth->rx_buf)
|
|
goto err_all_but_rxbuf;
|
|
|
|
memcpy(netdev->broadcast, &bcast_addr, sizeof(bcast_addr));
|
|
memcpy(netdev->dev_addr, &kaweth->configuration.hw_addr,
|
|
sizeof(kaweth->configuration.hw_addr));
|
|
|
|
netdev->netdev_ops = &kaweth_netdev_ops;
|
|
netdev->watchdog_timeo = KAWETH_TX_TIMEOUT;
|
|
netdev->mtu = le16_to_cpu(kaweth->configuration.segment_size);
|
|
netdev->ethtool_ops = &ops;
|
|
|
|
/* kaweth is zeroed as part of alloc_netdev */
|
|
INIT_DELAYED_WORK(&kaweth->lowmem_work, kaweth_resubmit_tl);
|
|
usb_set_intfdata(intf, kaweth);
|
|
|
|
SET_NETDEV_DEV(netdev, dev);
|
|
if (register_netdev(netdev) != 0) {
|
|
dev_err(dev, "Error registering netdev.\n");
|
|
goto err_intfdata;
|
|
}
|
|
|
|
dev_info(dev, "kaweth interface created at %s\n",
|
|
kaweth->net->name);
|
|
|
|
return 0;
|
|
|
|
err_intfdata:
|
|
usb_set_intfdata(intf, NULL);
|
|
usb_free_coherent(kaweth->dev, KAWETH_BUF_SIZE, (void *)kaweth->rx_buf, kaweth->rxbufferhandle);
|
|
err_all_but_rxbuf:
|
|
usb_free_coherent(kaweth->dev, INTBUFFERSIZE, (void *)kaweth->intbuffer, kaweth->intbufferhandle);
|
|
err_tx_and_rx_and_irq:
|
|
usb_free_urb(kaweth->irq_urb);
|
|
err_tx_and_rx:
|
|
usb_free_urb(kaweth->rx_urb);
|
|
err_only_tx:
|
|
usb_free_urb(kaweth->tx_urb);
|
|
err_free_netdev:
|
|
free_netdev(netdev);
|
|
|
|
return rv;
|
|
}
|
|
|
|
/****************************************************************
|
|
* kaweth_disconnect
|
|
****************************************************************/
|
|
static void kaweth_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct kaweth_device *kaweth = usb_get_intfdata(intf);
|
|
struct net_device *netdev;
|
|
|
|
usb_set_intfdata(intf, NULL);
|
|
if (!kaweth) {
|
|
dev_warn(&intf->dev, "unregistering non-existent device\n");
|
|
return;
|
|
}
|
|
netdev = kaweth->net;
|
|
|
|
netdev_dbg(kaweth->net, "Unregistering net device\n");
|
|
unregister_netdev(netdev);
|
|
|
|
usb_free_urb(kaweth->rx_urb);
|
|
usb_free_urb(kaweth->tx_urb);
|
|
usb_free_urb(kaweth->irq_urb);
|
|
|
|
usb_free_coherent(kaweth->dev, KAWETH_BUF_SIZE, (void *)kaweth->rx_buf, kaweth->rxbufferhandle);
|
|
usb_free_coherent(kaweth->dev, INTBUFFERSIZE, (void *)kaweth->intbuffer, kaweth->intbufferhandle);
|
|
|
|
free_netdev(netdev);
|
|
}
|
|
|
|
|
|
// FIXME this completion stuff is a modified clone of
|
|
// an OLD version of some stuff in usb.c ...
|
|
struct usb_api_data {
|
|
wait_queue_head_t wqh;
|
|
int done;
|
|
};
|
|
|
|
/*-------------------------------------------------------------------*
|
|
* completion handler for compatibility wrappers (sync control/bulk) *
|
|
*-------------------------------------------------------------------*/
|
|
static void usb_api_blocking_completion(struct urb *urb)
|
|
{
|
|
struct usb_api_data *awd = (struct usb_api_data *)urb->context;
|
|
|
|
awd->done=1;
|
|
wake_up(&awd->wqh);
|
|
}
|
|
|
|
/*-------------------------------------------------------------------*
|
|
* COMPATIBILITY STUFF *
|
|
*-------------------------------------------------------------------*/
|
|
|
|
// Starts urb and waits for completion or timeout
|
|
static int usb_start_wait_urb(struct urb *urb, int timeout, int* actual_length)
|
|
{
|
|
struct usb_api_data awd;
|
|
int status;
|
|
|
|
init_waitqueue_head(&awd.wqh);
|
|
awd.done = 0;
|
|
|
|
urb->context = &awd;
|
|
status = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (status) {
|
|
// something went wrong
|
|
usb_free_urb(urb);
|
|
return status;
|
|
}
|
|
|
|
if (!wait_event_timeout(awd.wqh, awd.done, timeout)) {
|
|
// timeout
|
|
dev_warn(&urb->dev->dev, "usb_control/bulk_msg: timeout\n");
|
|
usb_kill_urb(urb); // remove urb safely
|
|
status = -ETIMEDOUT;
|
|
}
|
|
else {
|
|
status = urb->status;
|
|
}
|
|
|
|
if (actual_length) {
|
|
*actual_length = urb->actual_length;
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
return status;
|
|
}
|
|
|
|
/*-------------------------------------------------------------------*/
|
|
// returns status (negative) or length (positive)
|
|
static int kaweth_internal_control_msg(struct usb_device *usb_dev,
|
|
unsigned int pipe,
|
|
struct usb_ctrlrequest *cmd, void *data,
|
|
int len, int timeout)
|
|
{
|
|
struct urb *urb;
|
|
int retv;
|
|
int length = 0; /* shut up GCC */
|
|
|
|
urb = usb_alloc_urb(0, GFP_ATOMIC);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
usb_fill_control_urb(urb, usb_dev, pipe, (unsigned char*)cmd, data,
|
|
len, usb_api_blocking_completion, NULL);
|
|
|
|
retv = usb_start_wait_urb(urb, timeout, &length);
|
|
if (retv < 0) {
|
|
return retv;
|
|
}
|
|
else {
|
|
return length;
|
|
}
|
|
}
|
|
|
|
module_usb_driver(kaweth_driver);
|